| 40.52 Data as of May 24 |  -0.02 / -0.05%Today’s Change | 24.80 Today|||52-Week Range 41.00 | +37.54% Year-to-Date |
| Other institutional | 34.22% |
| Mutual fund holders | 28.75% |
| Individual stakeholders | 1.81% |
| 3/31/2013 | ARONSON & JOHNSON & ORTIZ LP Bought 1.2 Million shares of CBOE Holdings Inc |
| 3/31/2013 | RENAISSANCE TECHNOLOGIES LLC Bought 540.5 Thousand shares of CBOE Holdings Inc |
| 3/31/2013 | SSGA FUNDS MANAGEMENT, INC. Bought 285.7 Thousand shares of CBOE Holdings Inc |
| Stockholder | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| T. Rowe Price Associates, Inc. | 7.67% | 6,788,033 | 254,754,878 | -1,400 | -0.02% |
| BlackRock Fund Advisors | 5.11% | 4,521,394 | 169,687,917 | +250,671 | +5.87% |
| The Vanguard Group, Inc. | 4.91% | 4,343,185 | 162,999,733 | +270,907 | +6.65% |
| Herndon Capital Management LLC | 4.89% | 4,330,825 | 162,535,862 | +266,255 | +6.55% |
| SSgA Funds Management, Inc. | 3.11% | 2,749,441 | 103,186,521 | +285,702 | +11.60% |
| Renaissance Technologies LLC | 2.48% | 2,196,819 | 82,446,617 | +540,519 | +32.63% |
| Kinetics Asset Management LLC | 2.31% | 2,041,889 | 76,632,094 | -502 | -0.02% |
| Aronson & Johnson & Ortiz LP | 2.02% | 1,783,400 | 66,931,002 | +1,201,800 | +206.64% |
| Fidelity Management & Research Co... | 1.73% | 1,534,843 | 57,602,658 | -24,695 | -1.58% |
| Horizon Asset Management LLC | 1.69% | 1,494,425 | 56,085,770 | -708,787 | -32.17% |
| Mutual fund | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| T Rowe Price Mid Cap Growth Fund | 4.52% | 4,000,000 | 150,120,000 | 0 | 0.00% |
| Vanguard Total Stock Market Index... | 1.32% | 1,166,734 | 43,787,527 | +40,111 | +3.56% |
| Vanguard Mid Cap Index Fund | 1.29% | 1,138,778 | 42,738,338 | +17,835 | +1.59% |
| iShares Core S&P Mid Cap ETF | 1.16% | 1,024,507 | 38,449,748 | +38,522 | +3.91% |
| Kinetics Paradigm Portfolio | 0.91% | 801,926 | 30,096,283 | 0 | 0.00% |
| SPDR S&P Mid Cap 400 ETF Trust | 0.88% | 774,394 | 29,063,007 | -18,240 | -2.30% |
| Fidelity Financials Central Inves... | 0.86% | 758,527 | 28,467,518 | +3,800 | +0.50% |
| Vanguard Extended Market Index Fu... | 0.81% | 718,189 | 26,953,633 | +8,020 | +1.13% |
| Keeley Small Cap Value Fund | 0.81% | 713,000 | 26,758,890 | 0 | 0.00% |
| Government Pension Fund - Global ... | 0.75% | 665,924 | 24,992,128 | +253,335 | +61.40% |
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